00382nam a2200145Ia 4500008004100000082001700041100002400058245001900082250000600101260005000107300000800157650003400165650001800199653001900217170901s1967    xx            000 0 und d  a544.84bH49C  aHeftmann, Dr. Erich 0aChromatography  a2  aNew YorkbVan Nostrand Reinhold Companyc1967  a851  aChemistry and allied sciences  aPure Sciences  aChromatography